LTX 2.3 Fast

Lightricks · Video model

Text to video · Image to videoNative audioStarter and above

LTX 2.3 speed tier, clips up to 20 seconds.

Model IDltx-2.3-fast

Made with LTX 2.3 Fast“A cozy cabin in a snowy forest at night, smoke from the chimney, warm light in the windows, snow falling gently”

Per second

$0.0624

at 1080p, with the 4% plan fee

6s clip

$0.374

at default settings · 1080p

Provider price

$0.0600

per second · synced 2026-11-08

Plan

Starter+

From $20/month · usage included

You pay the provider’s metered cost plus your plan fee (4% on paid plans), and your plan’s included weekly usage applies first. Resolution, length and audio change the metered cost; the playground shows an estimate before you generate. Prices follow the provider’s live price list.

Controls

The same settings work in the playground and through the API.

Duration

6s8s10s12s14s16s18s20s

6–20 seconds

Aspect ratio

16:99:16

Resolution

1080p1440p2160p

Audio

Native audio, on by default

Image to video

Start frame and last frame

Negative prompt

Not supported

Use it from the API

Submit a job, then poll it until the video is ready (usually one to five minutes). Add "image": "LIBRARY_IMAGE_ID" to animate a start frame.

POST /api/v1/videos/generations

curl https://api.gizmoplatforms.com/api/v1/videos/generations \
  -H "Authorization: Bearer $GIZMO_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "ltx-2.3-fast",
  "prompt": "A cozy cabin in a snowy forest at night, smoke from the chimney, warm light in the windows, snow falling gently",
  "settings": {
    "duration": 6,
    "aspect": "16:9",
    "resolution": "1080p",
    "audio": true
  }
}'

GET /api/v1/videos/generations/:id

curl https://api.gizmoplatforms.com/api/v1/videos/generations/REQUEST_ID \
  -H "Authorization: Bearer $GIZMO_API_KEY"

Full video API reference →